Staphylococcus aureus is an opportunistic pathogen that is able to thwart an effective host immune response by producing a range of immune evasion molecules. including S. aureus binder of IgG (Sbi) which interacts directly with the central complement component C3. its fragments and associated regulators. https://www.allpeoplesay.com/product-category/powder-and-dry-food-products/